United States Department of the Interior Geological Survey.

• Black Butte Quadrangle Oregon
• Eugene West Quadrangle Oregon Lane Co. 7.5 Minute Series
• Flat Mountain Quadrangle Oregon - Benton Co
• Fort Rock Quadrangle Oregon copy 2
• Kelsey Butte Quadrangle
• LA Pine Quadrangle
• Yosemite National Park and Viginity